#! /usr/bin/env python

#
# 
# Copyright (c) 2007-2013, University of California / Singapore Management University
#   Lingxiao Jiang         <lxjiang@ucdavis.edu> <lxjiang@smu.edu.sg>
#   Ghassan Misherghi      <ghassanm@ucdavis.edu>
#   Zhendong Su            <su@ucdavis.edu>
#   Stephane Glondu        <steph@glondu.net>
# All rights reserved.
# 
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#     * Redistributions of source code must retain the above copyright
#       notice, this list of conditions and the following disclaimer.
#     * Redistributions in binary form must reproduce the above copyright
#       notice, this list of conditions and the following disclaimer in the
#       documentation and/or other materials provided with the distribution.
#     * Neither the name of the University of California nor the
#       names of its contributors may be used to endorse or promote products
#       derived from this software without specific prior written permission.
# 
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# 
#

# the regular expressions are copied from bugmerging
# Usage: $0 <a bug report>
# output to stdout

import re
import sys
import os
#import shutil

if len(sys.argv) != 2:
    print "Usage: ", sys.argv[0], " <a bug report>"
    sys.exit(1)

rs= re.compile('.*Rank score:\s*(-?\d+)\s*\*\s*(\d+)\s*=\s*(-?\d+)\s*buggy score:\s*(-?\d+).*')
#rs= re.compile('.*Rank score:\s*(-?\d+)\s*\*\s*(\d+)\s*=\s*(-?\d+)\s*buggy score:\s*(-?\d+)\s(-?\d+)\s(-?\d+)\s(-?\d+).*')
range_r= re.compile('.*FILE (.*) LINE:(\d+):(\d+) NODE_KIND.*')
bugcategory_r= re.compile('(^B|^S|^G|^F)(\d+)\s*.*')
onlybug_r= re.compile('^B.*')
onlystyle_r= re.compile('^S.*')
def readclusters( file ):
    f= open(file,'r')
    clusters= []
    cluster= []
    for line in f.readlines():
        if line == '\n' or line == '':
            if len(cluster) > 0:
                clusters.append(cluster)
                cluster=[]
            continue
        cluster.append(line)
    f.close()
    if len(cluster) > 0:
        clusters.append(cluster)
    return clusters

def print_cluster(cluster):
    for line in cluster:
        print line,

def print_clusters(clusters):
    for cluster in clusters:
        print_cluster(cluster)
        print

def buggy_clusters( clusters ):
    newlist= []
    for i in range(len(clusters)):
        keep= False
        for j in range(len(clusters[i])):
            m= bugcategory_r.match(clusters[i][j])
            if m == None:
                continue
            else:
                keep= True
        if keep:
            newlist.append(clusters[i])
    return newlist

# This function currently can't handle the cases when one cluster contains several lines of Rank score.
def rank_buggy_clusters( rankid, clusters ):
    newlist= []
    for i in range(len(clusters)):
        keep= False
        rank= 0
        marks= []
        for j in range(len(clusters[i])):
            rs_m= rs.match(clusters[i][j])
            if rs_m != None:
                rank= int(rs_m.group(1))
            m= onlybug_r.match(clusters[i][j])
            if m != None:
                marks.append(clusters[i][j])
        if len(marks)>0 and rank==rankid:
            keep= True
        if keep:
            newlist.append(clusters[i])
    return newlist

def type_buggy_clusters( typeid, clusters ):
    newlist= []
    typeids= {}
    if typeid==1:
        typeids= set([1, 3, 5, 7])
    elif typeid==2:
        typeids= set([2, 3, 6, 7])
    elif typeid==3:
        typeids= set([4, 5, 6, 7])
    for i in range(len(clusters)):
        keep= False
        rank= 0
        marks= []
        for j in range(len(clusters[i])):
            rs_m= rs.match(clusters[i][j])
            if rs_m != None:
                rank= int(rs_m.group(1))
            m= onlybug_r.match(clusters[i][j])
            if m != None:
                marks.append(clusters[i][j])
        if len(marks)>0 and rank in typeids:
            keep= True
        if keep:
            newlist.append(clusters[i])
    return newlist

clustersall= readclusters( sys.argv[1] )
rankclusters= []
for i in range(1,8):
    rankclusters.append( rank_buggy_clusters(i, clustersall) )
sum= 0
for i in range(7):
    sum += len(rankclusters[i])
    print len(rankclusters[i]),
print
print "Total bugs: ", sum
print "Type 1 bugs: ", len(rankclusters[0])+len(rankclusters[2])+len(rankclusters[4])+len(rankclusters[6])
print "Type 2 bugs: ", len(rankclusters[1])+len(rankclusters[2])+len(rankclusters[5])+len(rankclusters[6])
print "Type 3 bugs: ", len(rankclusters[3])+len(rankclusters[4])+len(rankclusters[5])+len(rankclusters[6])

